十六進制

十六進制者，基數自十六也，實屬$2^{4}$進制，故常用於信息技術。是進制常以A至F代十至十五，亦可記曰$0,1,2,3,4,5,6,7,8,9,0^{*},1^{*},2^{*},3^{*},4^{*},5^{*}$

分數

乘法表之於十六進制

n	${\frac {1}{n}}_{(16)}$	${\frac {1}{n}}$
1	1	1
2	0.8	0.5
3	$0.{\dot {5}}$	$0.{\dot {3}}$
4	0.4	0.25
5	$0.{\dot {3}}$	0.2
6	$0.2{\dot {0^{*}}}$	$0.1{\dot {6}}$
7	$0.{\dot {2}}4{\dot {9}}$	$0.{\dot {1}}4285{\dot {7}}$
8	0.2	0.125
9	$0.{\dot {1}}2^{*}{\dot {7}}$	$0.{\dot {1}}$
10	$0.1{\dot {9}}$	0.1
11	$0.{\dot {1}}745{\dot {3^{*}}}$	$0.{\dot {0}}{\dot {9}}$
12	$0.1{\dot {5}}$	$0.08{\dot {3}}$
13	$0.{\dot {1}}3{\dot {1^{*}}}$	$0.{\dot {0}}7692{\dot {3}}$
14	$0.1{\dot {2}}4{\dot {9}}$	$0.0{\dot {7}}1428{\dot {5}}$
15	$0.{\dot {1}}$	$0.0{\dot {6}}$
16	0.1	0.0625
17	$0.{\dot {0}}{\dot {5^{*}}}$	$0.{\dot {0}}58823529411764{\dot {7}}$